crazy

[ krey-zee ]

/ ˈkreɪ zi /

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See synonyms for: crazy / crazier / craziest / crazies on Thesaurus.com

adjective, cra·zi·er, cra·zi·est.

mentally deranged; demented; insane.

Informal. unpredictable, nonconforming, or odd: All I can say is she's the craziest person I know.

Informal. unusual; bizarre; singular: She always wears a crazy hat.

Informal. senseless; nonsensical; totally unsound: a crazy scheme.

Informal. intensely enthusiastic; passionately excited (usually followed by about or for): Like many kids, he was crazy for baseball and yearned to be a professional ballplayer.

Informal. very enamored or infatuated (usually followed by about or for): It's obvious he's just crazy about her.

Informal. intensely anxious or eager; impatient: I'm crazy to try those new skis.

Informal. very annoyed, frustrated, or bothered: It makes me crazy that some kids don't get a fair chance in life.

Informal. having an unusual, unexpected, or random quality, behavior, result, pattern, etc.: I'm back in Connecticut in a crazy twist of events, living in the same town where I grew up.

Slang. wonderful; excellent; perfect: That's crazy, man, crazy.

Archaic. likely to break or fall to pieces.

Archaic. weak, infirm, or sickly.

adverb

Informal. extremely; madly: I’ve noticed a local business here that’s crazy popular with teenage girls.

noun, plural cra·zies.

a person who is mentally deranged or insane.

Informal. an unpredictable, nonconforming person; oddball: Next door is a house full of crazies who wear weird clothes and come in at all hours.

the crazies, Informal. a sense of extreme unease, nervousness, or panic; extreme jitters: The crew was starting to get the crazies from being cooped up belowdecks for so long.

OTHER WORDS FOR crazy

1 crazed, lunatic.

4 foolish; imprudent, foolhardy.

5 ardent, impassioned, passionate.

See synonyms for crazy on Thesaurus.com

OPPOSITES FOR crazy

1 sane.

5 cool, dispassionate.

11 stable.

12 strong; healthy.

See antonyms for crazy on Thesaurus.com

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Idioms about crazy

like crazy, Informal.

with great enthusiasm or energy; to an extreme: We shopped like crazy and bought all our Christmas gifts in one afternoon.
with great speed or recklessness: He drives like crazy once he's out on the highway.

Origin of crazy

First recorded in 1570–80; craz(e) + -y¹

synonym study for crazy

1. See mad.

OTHER WORDS FROM crazy

cra·zi·ly, adverbcra·zi·ness, nounhalf-cra·zy, adjective

How to use crazy in a sentence

“This was by far the craziest and most memorable year of my life,” she says.
Porn Stars on the Year in Porn: Drone Erotica, Belle Knox, and Wild Sex|Aurora Snow|December 27, 2014|DAILY BEAST
But his planned attempt to walk over Chicago while blindfolded may be the craziest yet.
Nik Wallenda’s Blindfolded Tightrope Caper: Defying Death Over The Chicago River|Jacqui Goddard|November 2, 2014|DAILY BEAST
The craziest of all was Rand Paul, who faulted those who were saying Ebola is not easy to catch.
Republicans Want You Scared of Ebola|Dean Obeidallah|October 27, 2014|DAILY BEAST
Here, he pits the craziest GoPro footage against his own, which is noticeably less extreme.
Viral Video of the Day: How People Really Use Their GoPro|Alex Chancey|October 2, 2014|DAILY BEAST

The craziest thing I did was that I had to steal an ostrich egg from an ostrich farm that was close to Mexico.
How 'The Mindy Project' Star Adam Pally Became Hollywood's Go-To 'Bro'|Kevin Fallon|August 6, 2014|DAILY BEAST
His last name was Phillips, which is all right, but he had the craziest fust name ever I heard.
Fair Harbor|Joseph Crosby Lincoln
No wonder she went about with an absent smile on her face, and did everything in the craziest possible way.
Beth Woodburn|Maud Petitt
They are just the craziest specimens of pure jollity that flesh, blood, and fur could be wrought into.
My Wife and I|Harriet Beecher Stowe
They used to call him psychic, for he'd get some of the craziest hunches—for lack of a better descriptive word.
Man of Many Minds|E. Everett Evans
She considered Poppy—taking one thing with another—the craziest patient she had ever had.
Poppy|Cynthia Stockley

British Dictionary definitions for crazy

crazy

/ (ˈkreɪzɪ) /

adjective -zier or -ziest

informal insane

fantastic; strange; ridiculousa crazy dream

(postpositive; foll by about or over) informal extremely fond (of)

slang very good or excellent

noun plural crazies

informal a crazy person

Derived forms of crazy

crazily, adverbcraziness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with crazy

crazy

In addition to the idioms beginning with crazy

crazy about, be
crazy like a fox

also see:

drive someone crazy
like crazy

crazy

OTHER WORDS FOR crazy

OPPOSITES FOR crazy

Idioms about crazy

Origin of crazy

synonym study for crazy

OTHER WORDS FROM crazy

Words related to crazy

How to use crazy in a sentence

British Dictionary definitions for crazy

Derived forms of crazy

Other Idioms and Phrases with crazy